paleolimbot commented on issue #819:
URL: https://github.com/apache/sedona-db/issues/819#issuecomment-4394094462
Another test that can be used when we support these:
```python
@pytest.mark.parametrize("eng", [SedonaDB, BigQuery])
@pytest.mark.parametrize(
("geog", "expected_start", "expected_end"),
[
pytest.param(
"LINESTRING (1 2, 3 4, 5 6)",
"POINT (1 2)",
"POINT (5 6)",
id="linestring_3pt",
),
pytest.param(
"LINESTRING (0 0, 10 10)",
"POINT (0 0)",
"POINT (10 10)",
id="linestring_2pt",
),
pytest.param(
"LINESTRING (-122 47, -121 48, -120 49)",
"POINT (-122 47)",
"POINT (-120 49)",
id="linestring_coords",
),
],
)
def test_st_startpoint_endpoint(eng, geog, expected_start, expected_end):
eng = eng.create_or_skip()
eng.assert_query_result(
f"SELECT ST_StartPoint({geog_or_null(geog)})", expected_start
)
eng.assert_query_result(f"SELECT ST_EndPoint({geog_or_null(geog)})",
expected_end)
```
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